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Type 3 Magnetic Alloy vs. SAE-AISI 1108 Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while SAE-AISI 1108 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Type 3 magnetic alloy and the bottom bar is SAE-AISI 1108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 43
23 to 34
Fatigue Strength, MPa 170
170 to 260
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 70
73
Shear Strength, MPa 380
250 to 280
Tensile Strength: Ultimate (UTS), MPa 550
380 to 440
Tensile Strength: Yield (Proof), MPa 210
220 to 360

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 55
1.8
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.7
1.4
Embodied Energy, MJ/kg 120
18
Embodied Water, L/kg 220
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
95 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 120
130 to 340
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
13 to 16
Strength to Weight: Bending, points 17
15 to 16
Thermal Shock Resistance, points 18
12 to 14

Alloy Composition

Carbon (C), % 0 to 0.050
0.080 to 0.13
Chromium (Cr), % 2.0 to 3.0
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
98.9 to 99.24
Manganese (Mn), % 0 to 1.5
0.6 to 0.8
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 75 to 78
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.020
0.080 to 0.13